diff --git a/plugins/webstats/lua/webstats_common.lua b/plugins/webstats/lua/webstats_common.lua
index a596dbf9f..e94ddc2ea 100644
--- a/plugins/webstats/lua/webstats_common.lua
+++ b/plugins/webstats/lua/webstats_common.lua
@@ -47,9 +47,9 @@ function _M.getInstance(self)
     if rawget(self, "instance") == nil then
         rawset(self, "instance", self.new())
 
-        if 0 == ngx.worker.id() then
-            self:cron()
-        end
+        -- if 0 == ngx.worker.id() then
+        self:cron()
+        -- end
     end
     assert(self.instance ~= nil)
     return self.instance
@@ -448,7 +448,7 @@ function _M.cron(self)
         -- self:D("--【"..tostring(llen).."】, elapsed: " .. tostring(ngx.now() - begin))
     end
 
-    ngx.timer.every(0.5, timer_every_get_data)
+    ngx.timer.every(1, timer_every_get_data)
 end
 
 
diff --git a/requirements.txt b/requirements.txt
index 4484ef5bb..3e4c8319d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,8 @@ setuptools>=33.1.1
 Werkzeug>=1.0.1
 wheel==0.33.6
 gunicorn==20.1.0
-requests==2.20.0
+requests==2.24.0
+urllib3=1.25.2
 flask==2.0.3
 flask-session==0.3.2
 flask-helper==0.19
@@ -13,7 +14,6 @@ psutil==5.9.1
 chardet==3.0.4
 flask-sqlalchemy==2.3.2
 cryptography==3.3.2
-requests==2.20.0
 configparser==5.2.0
 python-engineio==4.3.2
 python-socketio>=4.2.0